Source Type: FM,AM,Bluetooth Enabled Marine Radio. Button color: 7colors light. Input Types: Bluetooth, USB,AUX. Outputs: 1 pair Pre-Amp Out,One Way Input Ideal for: Car,motorcycles,yacht,fishing boats, cuddy cabins, ski boats , the unit is also perfect for spa pools, quad bikes, golf carts,UTV,ATV and RV. Uses USB, , AM/FM Bluetooth Audio Sources Tuner Section FM Stereo Frequency Area US, Europe 18FM 12AM Presets Bluetooth:long distance music Streaming RMS power output: 4x50W Power supply:DC 12V Waterproof level:IPX5 Bluetooth music: This RV stereo can connect to Bluetooth and play audio streams from external devices, supporting lDS tag'song reading and power-off memory. USB / AUX Play: Support USB 2.0, Support MP3/WMA/FLAC/ACC APE audio formats IPX5 waterproof: Equipped with IPX5 waterproof design and the latest waterproof technology Widely Application: For boats,yacht,gauge, atv, utv, suv,rv. golf,Harvesters spa fow Rooms,Swimming Pools,BAND Campers,RZR Truck and more Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color:Black Material:Plastic+Metal Package Contents: 1 * MP3 Media Player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.